<div class="login_page">
  <div class="login_main">
    <input type="text" placeholder="请输入您的姓名" class="login_txt" [(ngModel)]="user.username"/>
    <input type="text" placeholder="请输入您的密码" class="login_txt" [(ngModel)]="user.password"/>
    <a class="login_btn" href="#" (click)="login()">开始测试</a>
  </div>
</div>
